Yes, I thought that was funny, the last batch of cards I got from them did have that corected... suppose I should change the picture.
Detroits are the primary brand, and the only engines they would work on if given a choice, I asked, and the reply is they "put up with the others"

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-